Lot numbers can be found on the outside label of a product:
1,1,1-Trifluoro-N-[(11bS)-4-oxido-2,6-diphenyldinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl]methanesulfonamide
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CAS No. 908338-42-1
- Cat. No. CS-0091981
- Purity≥97%
- MDL No.None
*For research and further manufacturing use only, not for direct human use.
![1,1,1-Trifluoro-N-[(11bS)-4-oxido-2,6-diphenyldinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl]methanesulfonamide|CS-0091981](https://file.chemscene.com/productPIC/CS-0091981.gif)
Structure of 908338-42-1
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General Information
- CAS No. 908338-42-1
- Cat. No. CS-0091981
- Purity ≥97%
- MDL No. None
- Storage 4°C, protect from light, stored under nitrogen
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₃₃H₂₁F₃NO₅PS
- Molecular Weight 631.56
- Synonym(s) BD00948024
- SMILES O=P1(NS(=O)(C(F)(F)F)=O)OC2=[C@]([C@]3=C(C=CC=C4)C4=CC(C5=CC=CC=C5)=C3O1)C6=CC=CC=C6C=C2C7=CC=CC=C7
Description
This trifluoromethylated sulfonamide integrates a sterically encumbered dioxaphosphepine scaffold, delivering enhanced stability and selective reactivity in transition metal-catalyzed transformations. The electron-deficient trifluoromethyl group modulates electronic properties, while the oxido-diphenyl substitution pattern supports robust chiral induction in asymmetric synthesis workflows under standard conditions.
Application
1,1,1-Trifluoro-N-[(11bS)-4-oxido-2,6-diphenyldinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl]methanesulfonamide serves as a stable, bench-ready phosphine oxide reagent enabling stereoselective transformations in complex molecule synthesis. Its rigid heterocyclic framework and trifluoromethyl sulfonamide group provide excellent functional group tolerance and ease of purification. This compound functions as a key building block in catalytic asymmetric synthesis, particularly for constructing sterically congested scaffolds under mild conditions.
Safety Information
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GHS Pictogram :
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GHS No : GHS07
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Signal Word : Warning
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UN#: N/A
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Class : N/A
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Packing Group : N/A
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Hazard Statements : H302-H315-H319-H335
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Precautionary Statements : P261-P280-P302+P352
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Quality Control
Computational Chemistry Data
- TPSA 81.7
- LogP 9.3125
- H_Acceptors 5
- H_Donors 1
- Rotatable_Bonds 4
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Key Words
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